US4644623A - Method of making a rotatable molding element for selectively aperturing thermoplastic film - Google Patents
Method of making a rotatable molding element for selectively aperturing thermoplastic film Download PDFInfo
- Publication number
- US4644623A US4644623A US06/721,883 US72188385A US4644623A US 4644623 A US4644623 A US 4644623A US 72188385 A US72188385 A US 72188385A US 4644623 A US4644623 A US 4644623A
- Authority
- US
- United States
- Prior art keywords
- screen
- film
- pattern
- base pattern
- sheet material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/06—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using vacuum drums
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1028—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by bending, drawing or stretch forming sheet to assume shape of configured lamina while in contact therewith
- Y10T156/1033—Flexible sheet to cylinder lamina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
- Y10T29/49547—Assembling preformed components
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/721,883 US4644623A (en) | 1983-06-01 | 1985-04-11 | Method of making a rotatable molding element for selectively aperturing thermoplastic film |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/499,857 US4541794A (en) | 1983-06-01 | 1983-06-01 | Apparatus for producing perforated plastic film |
US06/721,883 US4644623A (en) | 1983-06-01 | 1985-04-11 | Method of making a rotatable molding element for selectively aperturing thermoplastic film |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/499,857 Division US4541794A (en) | 1983-06-01 | 1983-06-01 | Apparatus for producing perforated plastic film |
Publications (1)
Publication Number | Publication Date |
---|---|
US4644623A true US4644623A (en) | 1987-02-24 |
Family
ID=27053313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/721,883 Expired - Lifetime US4644623A (en) | 1983-06-01 | 1985-04-11 | Method of making a rotatable molding element for selectively aperturing thermoplastic film |
Country Status (1)
Country | Link |
---|---|
US (1) | US4644623A (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5217440A (en) * | 1989-10-06 | 1993-06-08 | C. R. Bard, Inc. | Multilaminate coiled film catheter construction |
US5346312A (en) * | 1993-06-07 | 1994-09-13 | Flexo Transparent Inc. | Bags for maintaining crispness of cooked foodstuff |
WO1996013979A1 (en) * | 1994-11-02 | 1996-05-17 | Tredegar Industries, Inc. | Vapor permeable, liquid impermeable films formed using a multi-layer screen assembly |
US5562932A (en) * | 1994-06-14 | 1996-10-08 | Tredegar Industries, Inc. | Screen for producing a perforated film |
US5591510A (en) * | 1994-06-14 | 1997-01-07 | Tredegar Industries, Inc. | Layered fabric material having angled capillaries |
US5718928A (en) * | 1994-06-14 | 1998-02-17 | Tredegar Industries, Inc. | Screen for producing a perforated film |
WO1999000096A1 (en) * | 1997-06-30 | 1999-01-07 | Mcneil-Ppc, Inc. | Tampon having an apertured film cover |
US5897543A (en) * | 1994-06-14 | 1999-04-27 | Tredegar Industries, Inc. | Film |
WO1999044809A1 (en) * | 1998-03-03 | 1999-09-10 | Tredegar Corporation | Embossed monolithic polymer film and process of forming the same |
US6024553A (en) * | 1997-12-22 | 2000-02-15 | Mcneil-Ppc, Inc. | Apparatus for supporting a starting web during formation of the apertured web |
GB2377939A (en) * | 2001-07-26 | 2003-01-29 | Johnson & Johnson Medical Ltd | Apertured-sheet material |
US6610904B1 (en) | 2000-09-22 | 2003-08-26 | Tredegar Film Products Corporation | Acquisition distribution layer having void volumes for an absorbent article |
US20030195487A1 (en) * | 2000-09-22 | 2003-10-16 | Tredegar Film Products Corporation | Absorbent article with enhanced cooling |
US6700036B2 (en) | 2000-09-22 | 2004-03-02 | Tredegar Film Products Corporation | Acquisition distribution layer having void volumes for an absorbent article |
US20050228353A1 (en) * | 2004-04-12 | 2005-10-13 | Thomas Paul E | Formed film having a cellularly defined base pattern and visible design |
US20070029694A1 (en) * | 2002-12-20 | 2007-02-08 | Tredegar Film Products Corporation | Apertured material for use in absorbent articles |
US8292863B2 (en) | 2009-10-21 | 2012-10-23 | Donoho Christopher D | Disposable diaper with pouches |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3811983A (en) * | 1972-06-23 | 1974-05-21 | Rowland Dev Corp | Method for producing retroreflective sheeting |
US4252561A (en) * | 1976-09-21 | 1981-02-24 | Showa Denko Kabushiki Kaisha | Chromium-alloyed steel which is corrosion resistant to caustic alkaline solution |
US4395215A (en) * | 1981-02-02 | 1983-07-26 | The Procter & Gamble Company | Film forming structure for uniformly debossing and selectively aperturing a resilient plastic web and method for its construction |
-
1985
- 1985-04-11 US US06/721,883 patent/US4644623A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3811983A (en) * | 1972-06-23 | 1974-05-21 | Rowland Dev Corp | Method for producing retroreflective sheeting |
US4252561A (en) * | 1976-09-21 | 1981-02-24 | Showa Denko Kabushiki Kaisha | Chromium-alloyed steel which is corrosion resistant to caustic alkaline solution |
US4395215A (en) * | 1981-02-02 | 1983-07-26 | The Procter & Gamble Company | Film forming structure for uniformly debossing and selectively aperturing a resilient plastic web and method for its construction |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5217440A (en) * | 1989-10-06 | 1993-06-08 | C. R. Bard, Inc. | Multilaminate coiled film catheter construction |
US5346312A (en) * | 1993-06-07 | 1994-09-13 | Flexo Transparent Inc. | Bags for maintaining crispness of cooked foodstuff |
US5562932A (en) * | 1994-06-14 | 1996-10-08 | Tredegar Industries, Inc. | Screen for producing a perforated film |
US5591510A (en) * | 1994-06-14 | 1997-01-07 | Tredegar Industries, Inc. | Layered fabric material having angled capillaries |
WO1997003795A1 (en) * | 1994-06-14 | 1997-02-06 | Tredegar Industries, Inc. | Screen for producing a perforated film |
US5718928A (en) * | 1994-06-14 | 1998-02-17 | Tredegar Industries, Inc. | Screen for producing a perforated film |
US5897543A (en) * | 1994-06-14 | 1999-04-27 | Tredegar Industries, Inc. | Film |
WO1996013979A1 (en) * | 1994-11-02 | 1996-05-17 | Tredegar Industries, Inc. | Vapor permeable, liquid impermeable films formed using a multi-layer screen assembly |
WO1999000096A1 (en) * | 1997-06-30 | 1999-01-07 | Mcneil-Ppc, Inc. | Tampon having an apertured film cover |
US6465713B1 (en) | 1997-06-30 | 2002-10-15 | Mcneil-Ppc, Inc. | Tampon having an apertured film cover |
US6312640B1 (en) | 1997-12-22 | 2001-11-06 | Mcneil-Ppc, Inc. | Process of making an apertured web |
US6024553A (en) * | 1997-12-22 | 2000-02-15 | Mcneil-Ppc, Inc. | Apparatus for supporting a starting web during formation of the apertured web |
US6315547B1 (en) | 1997-12-22 | 2001-11-13 | Mcneil-Ppc, Inc. | Apparatus for supporting a starting web during formation of the apertured web |
US6660361B1 (en) | 1997-12-22 | 2003-12-09 | Charles James Shimalla | Apertured web and an apparatus and process for supporting a starting web during formation of the apertured web |
WO1999044809A1 (en) * | 1998-03-03 | 1999-09-10 | Tredegar Corporation | Embossed monolithic polymer film and process of forming the same |
USH1927H (en) * | 1998-03-03 | 2000-12-05 | Tredegar Corporation | Embossed monolithic polymer film and process of forming the same |
US7378568B2 (en) | 2000-09-22 | 2008-05-27 | Tredegar Film Products Corporation | Acquisition distribution layer having void volumes for an absorbent article |
US6610904B1 (en) | 2000-09-22 | 2003-08-26 | Tredegar Film Products Corporation | Acquisition distribution layer having void volumes for an absorbent article |
US20030195487A1 (en) * | 2000-09-22 | 2003-10-16 | Tredegar Film Products Corporation | Absorbent article with enhanced cooling |
US6700036B2 (en) | 2000-09-22 | 2004-03-02 | Tredegar Film Products Corporation | Acquisition distribution layer having void volumes for an absorbent article |
GB2377939A (en) * | 2001-07-26 | 2003-01-29 | Johnson & Johnson Medical Ltd | Apertured-sheet material |
GB2377939B (en) * | 2001-07-26 | 2005-04-20 | Johnson & Johnson Medical Ltd | Apertured sheet materials |
US20070029694A1 (en) * | 2002-12-20 | 2007-02-08 | Tredegar Film Products Corporation | Apertured material for use in absorbent articles |
US8182728B2 (en) | 2002-12-20 | 2012-05-22 | Tredegar Film Products Corporation | Apertured material for use in absorbent articles |
US20050228353A1 (en) * | 2004-04-12 | 2005-10-13 | Thomas Paul E | Formed film having a cellularly defined base pattern and visible design |
EP1602467A1 (en) * | 2004-04-12 | 2005-12-07 | Tredegar Film Products Corporation | Formed film having a cellularly defined base pattern and visible design |
US8292863B2 (en) | 2009-10-21 | 2012-10-23 | Donoho Christopher D | Disposable diaper with pouches |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: ETHYL CORPORATION, RICHMOND, VA., A CORP OF VA. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:RALEY, GARLAND E.;SPEAR, DEAN M.;REEL/FRAME:004610/0009 Effective date: 19860514 Owner name: ETHYL CORPORATION, RICHMOND, VA., A CORP OF VA., V Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RALEY, GARLAND E.;SPEAR, DEAN M.;REEL/FRAME:004610/0009 Effective date: 19860514 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: TREDEGAR INDUSTRIES, INC., VIRGINIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ETHYL CORPORATION;REEL/FRAME:005270/0412 Effective date: 19900109 |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |
|
AS | Assignment |
Owner name: TREDEGAR CORPORATION, VIRGINIA Free format text: CHANGE OF NAME;ASSIGNOR:TREDEGAR INDUSTRIES, INC.;REEL/FRAME:010270/0576 Effective date: 19990520 |
|
AS | Assignment |
Owner name: TREDEGAR FILM PRODUCTS CORPORATION (A VIRGINIA COR Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TREDEGAR CORPORATION (A VIRGINIA CORPORATION);REEL/FRAME:011354/0005 Effective date: 20000930 |